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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Olof Johansson <olof.johansson@axis.com>
Cc: "bitbake-devel@lists.openembedded.org"
	<bitbake-devel@lists.openembedded.org>
Subject: Re: [PATCH v2 0/6] fetch2: Updated SFTP fetcher
Date: Thu, 31 Jan 2013 12:43:25 +0000	[thread overview]
Message-ID: <1359636205.14071.28.camel@ted> (raw)
In-Reply-To: <20130130075555.GA7508@axis.com>

On Wed, 2013-01-30 at 08:55 +0100, Olof Johansson wrote:
> Hi,
> 
> On 2013-01-29 08:50, Olof Johansson wrote:
> > Olof Johansson (6):
> >   fetch2: Remove unused code in wget fetcher
> >   fetch2: Add a class representing a generic URI
> >   fetch2: unittests for bb.fetch2.URI class
> >   fetch2: Adapt encode/decode url to use URI class
> >   fetch2: Add editor modelines for bb.tests.*
> >   fetch2: Add SFTP fetcher
> 
> One thing I forgot to mention; after speaking with kergoth on IRC
> last Friday, we found that there are some performance penelties
> in using the URI class instead of encode/decodeurl. I tried to
> profile and see if there were any obvious ways to get it down to
> the level of the old encode/decodeurl, but nothing obvious.
> 
> I did the performance evaluation by running the unittests.
> 
> Forking and running the unittests in seperate processes shows no
> change:
> 
>  http://codepad.org/SYsVsckY
> 
> However, running them in a single process with the timeit module
> shows a pretty big (proportional) regression:
> 
>  http://codepad.org/Vzu7Pqqw
> 
> Is this significant? Running the tests 10000, each run creating
> three URI objects, takes ~2 seconds.

In the scheme of things and other bitbake overheads, I'd suspect its not
significant although it is a good thing to check...

What were the other changes between v1 and v2? In cases like this a 0/6
summary email is helpful.

Cheers,

Richard






  reply	other threads:[~2013-01-31 12:59 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-21  9:17 [PATCH 0/6] fetch2: SFTP fetcher and restructure of decodeurl Olof Johansson
2013-01-21  9:17 ` [PATCH 1/6] fetch2: Remove unused code in wget fetcher Olof Johansson
2013-01-21  9:17 ` [PATCH 2/6] fetch2: Add a class representing a generic URI Olof Johansson
2013-01-21  9:18 ` [PATCH 3/6] fetch2: unittests for bb.fetch2.URI class Olof Johansson
2013-01-21  9:18 ` [PATCH 4/6] fetch2: Adapt encode/decode url to use URI class Olof Johansson
2013-01-21  9:18 ` [PATCH 5/6] fetch2: Add editor modelines for bb.tests.* Olof Johansson
2013-01-21  9:18 ` [PATCH 6/6] fetch2: Add SFTP fetcher Olof Johansson
2013-01-28 14:13   ` Martin Jansa
2013-01-28 14:20     ` Olof Johansson
2013-01-28 15:43   ` Martin Jansa
2013-01-28 14:05 ` [PATCH 0/6] fetch2: SFTP fetcher and restructure of decodeurl Martin Jansa
2013-01-28 14:23   ` Olof Johansson
2013-01-29  7:50 ` [PATCH v2 0/6] fetch2: Updated SFTP fetcher Olof Johansson
2013-01-30  7:55   ` Olof Johansson
2013-01-31 12:43     ` Richard Purdie [this message]
2013-02-01  8:58       ` Peter Kjellerstedt
2013-01-29  7:50 ` [PATCH v2 1/6] fetch2: Remove unused code in wget fetcher Olof Johansson
2013-01-29  7:50 ` [PATCH v2 2/6] fetch2: Add a class representing a generic URI Olof Johansson
2013-01-29  7:50 ` [PATCH v2 3/6] fetch2: unittests for bb.fetch2.URI class Olof Johansson
2013-01-29  7:50 ` [PATCH v2 4/6] fetch2: Adapt encode/decode url to use URI class Olof Johansson
2013-02-20  7:12   ` Richard Purdie
2013-01-29  7:50 ` [PATCH v2 5/6] fetch2: Add editor modelines for bb.tests.* Olof Johansson
2013-01-29  7:50 ` [PATCH v2 6/6] fetch2: Add SFTP fetcher Olof Johansson

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